PR 02 is Rotary Positioner suitable to be fitted on to Rotary Actuator with a range of 0 - 90Deg. Rotary Positioner is used in a pneumatic circuit to control the movement of the rotary actuator. It actually can be Positions the Actuator at the exact angle to allow the movement of fluid thorough the valve. Is positioner use Namur connection.It uses a spool and valve to get the movements.